722431055 has 8 divisors (see below), whose sum is σ = 869877792. Its totient is φ = 575971168.

The previous prime is 722431043. The next prime is 722431097. The reversal of 722431055 is 550134227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722431055 - 2⁸ = 722430799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245099 + ... + 248028.

It is an arithmetic number, because the mean of its divisors is an integer number (108734724).

Almost surely, 2^722431055 is an apocalyptic number.

722431055 is a deficient number, since it is larger than the sum of its proper divisors (147446737).

722431055 is a wasteful number, since it uses less digits than its factorization.

722431055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493425.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 722431055 is about 26878.0775912266. The cubic root of 722431055 is about 897.2885699304.

The spelling of 722431055 in words is "seven hundred twenty-two million, four hundred thirty-one thousand, fifty-five".